[INFO] updating cached repository greyblake/hail
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/greyblake/hail
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/greyblake/hail" "work/ex/clippy-test-run/sources/stable/gh/greyblake/hail"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/greyblake/hail'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greyblake/hail" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/greyblake/hail"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/greyblake/hail'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbad22f6af6d7bdcebe1144851769e3186ca8fec
[INFO] sha for GitHub repo greyblake/hail: fbad22f6af6d7bdcebe1144851769e3186ca8fec
[INFO] validating manifest of greyblake/hail on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of greyblake/hail on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing greyblake/hail
[INFO] finished frobbing greyblake/hail
[INFO] frobbed toml for greyblake/hail written to work/ex/clippy-test-run/sources/stable/gh/greyblake/hail/Cargo.toml
[INFO] started frobbing greyblake/hail
[INFO] finished frobbing greyblake/hail
[INFO] frobbed toml for greyblake/hail written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/greyblake/hail/Cargo.toml
[INFO] crate greyblake/hail has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting greyblake/hail against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/greyblake/hail:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21b1f3b8b6f3b91ac57edd6c3065405f950a0ceb07eecf22eb1376cb17540088
[INFO] running `"docker" "start" "-a" "21b1f3b8b6f3b91ac57edd6c3065405f950a0ceb07eecf22eb1376cb17540088"`
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking hail v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/attack.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     client
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/attack.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |       let client = ::hyper::Client::configure()
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 85 | |         .connector(::hyper_tls::HttpsConnector::new(4, handle).unwrap())
[INFO] [stderr] 86 | |         .build(handle);
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/attack.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     client
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/attack.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |       let client = ::hyper::Client::configure()
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 85 | |         .connector(::hyper_tls::HttpsConnector::new(4, handle).unwrap())
[INFO] [stderr] 86 | |         .build(handle);
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `"docker" "inspect" "21b1f3b8b6f3b91ac57edd6c3065405f950a0ceb07eecf22eb1376cb17540088"`
[INFO] running `"docker" "rm" "-f" "21b1f3b8b6f3b91ac57edd6c3065405f950a0ceb07eecf22eb1376cb17540088"`
[INFO] [stdout] 21b1f3b8b6f3b91ac57edd6c3065405f950a0ceb07eecf22eb1376cb17540088